there still could be a malfunction, but, you know, sadly when you have an excess speed condition, particularly coming to a curve, it usually is inattention, and that can be caused by a number of -- a number of factors. >> mary, we were talking in the newsroom a little earlier about the big train crash in spain, a similar situation, a lot of speed going into a curve, and i think one of the conclusions is that the conductor was distracted, may have been texting? >> that's right. >> or providing an update to facebook or one of the social media sites. if you were leading the investigation and you know the train was going too fast, what would you be doing now? where does the investigation go from here? >> well, two distinction paths. one, they are looking at all of the human fact ors. what was going on, you know, the cell phone just reveals so much information now, you know. was anyone using the cell phone, any conversations? what was going on with the person's -- person or person who was supposed to be in charge of the train?